package org.jetnuke.modules.pictures;

import org.apache.log4j.Logger;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.velocity.VelocityContext;
import org.jetnuke.common.ActionForward;
import org.jetnuke.common.IAction;
import org.jetnuke.common.IAdminInfo;
import org.jetnuke.common.IModuleInfo;
import org.jetnuke.common.IUserInfo;
import org.jetnuke.dao.DataAccessDriver;
import org.jetnuke.dao.PictureAlbumDAO;
import org.jetnuke.entities.PictureAlbum;
import org.jetnuke.modules.pictures.utils.PictureUtils;

public class SlideShow implements IAction {
	/**
	 * Logger for this class
	 */
	private static final Logger logger = Logger.getLogger(SlideShow.class);

	int aid;

	public void setAid(int aid) {
		this.aid = aid;
	}

	public ActionForward exec(HttpServletRequest request,
			HttpServletResponse response, VelocityContext vc, IModuleInfo info,
			String op, IUserInfo ui, IAdminInfo ai) throws Exception {
		if (logger.isDebugEnabled()) {
			logger
					.debug("exec(HttpServletRequest, HttpServletResponse, VelocityContext, IModuleInfo, String, IUserInfo, IAdminInfo) - start"); //$NON-NLS-1$
		}

		PictureAlbumDAO pad = DataAccessDriver.getInst().newPictureAlbumDAO();
		PictureAlbum pa = pad.retrieveByPK(aid);
		int uid = pa.getUID();
		if (!PictureUtils.isPictureInitialized(uid)) {

			ActionForward returnActionForward = new ActionForward(info,
					"no_pictures.vm");
			if (logger.isDebugEnabled()) {
				logger
						.debug("exec(HttpServletRequest, HttpServletResponse, VelocityContext, IModuleInfo, String, IUserInfo, IAdminInfo) - end"); //$NON-NLS-1$
			}
			return returnActionForward;
		}
		List ls = DataAccessDriver.getInst().newPictureDAO().selectByAlbum(aid);
		vc.put("ls", ls);

		PictureUtils.manageStyleAndBlocks(vc, uid);
		ActionForward returnActionForward = new ActionForward(op, info);
		if (logger.isDebugEnabled()) {
			logger
					.debug("exec(HttpServletRequest, HttpServletResponse, VelocityContext, IModuleInfo, String, IUserInfo, IAdminInfo) - end"); //$NON-NLS-1$
		}
		return returnActionForward;
	}

}
